Table 3 Incremental value of neck circumference in predicting the risk of incident CHF and CHD death

AHI < 5

NRI

0.2017 (0.0420–0.3614)

0.2655 (0.0051–0.5260)

P

0.0135

0.0460

IDI

0.0055 (−0.0008–0.0118)

0.0060 (0.0001–0.0119)

P

0.0885

0.0447

AHI ≥ 5

NRI

0.0081 (−0.1233–0.1395)

0.0862 (−0.1288–0.3012)

P

0.9041

0.4331

IDI

0.0003 (−0.0005–0.0012)

−0.0006 (− 0.0031–0.0019)

P

0.3785

0.6398